Answer / ezhil

the full load amps of 500kva transformer is
kvax1000 / 1.732 x v
500x1000 / 1.732x415
500000/719 = 695A
Hence we can select 2R X 3C X 300SQMM

Answer / satyendra kumar

find the total load whatever rating of trnsformer---------------i=kvax1000/secondary voltage. we find total load then select of cable size i think 500sq2mm

Answer / dharmendra

post your full question input cable or output cable

you can use V1xI1=V2XI2

If I need to purchase a step-down transformer (from three phase 33kV 50Hz to 400/230V), what additional information do I need from the main supply power line?

1 Answers   MahaDiscom,

---

What is various types of electrical formula?

1 Answers  

---

What is short circuit analysis of electrical networks?What are the procedures to be followed for its calculation?

2 Answers   DLF,

---

What do you mean by the zone of protection?

0 Answers  

---

What are the safety devices on Cumins Diesel Generators from 500 kva to 1500 kva.

1 Answers   Maruti Suzuki,

---

what is the meaning of spur line?

1 Answers  

---

electrical machines

3 Answers  

---

would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......

0 Answers   BARC,

---

please explain how to do 'pole drop test' on generator?

0 Answers  

---

how system voltage affect the power factor or vice-versa.

4 Answers  

---

how to find number of run for transformer & alternator secondary side? give the example.

2 Answers   Powergear, Regen Powertech,

---

If the Power Factor of generator is 0.85...What does this mean and Can the motors connected to this generator operate at PF more than 0.85 ?

1 Answers  

---